Use the properties of logarithms to expand the expression as a sum,difference,and/or constant multiple of logarithms.(Assume all variables are positive. ) ?
Ln 9x
?
A)ln 9 - ln x
B) $\frac { \ln 9 } { \ln x }$
C)ln 9 × ln x
D)ln 9 + ln x
E)None of these

Question

Quizplus · Accepted Answer

The property of logarithms that applies here is $\ln(ab) = \ln a + \ln b$. Therefore, $\ln(9x) = \ln 9 + \ln x$.

Use the Properties of Logarithms to Expand the Expression as a Sum,difference,and/or